PRESSURE-SENSITIVE COPYING SHEET FOR ANTI-FALSIFICATION

PROBLEM TO BE SOLVED: To provide a pressure-sensitive copying sheet for anti-falsification using a back carbon which is contrived to prevent a dishonest act from being committed by easily seeing through a falsification. SOLUTION: In the pressure-sensitive copying sheet 4 for anti-falsification, one...

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Bibliographische Detailangaben
Hauptverfasser:	MINOWA TOSHIYUKI, OCHI YOSHINORI, ISEYA YUKIHIKO, TOMON EMIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LINING MACHINES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a pressure-sensitive copying sheet for anti-falsification using a back carbon which is contrived to prevent a dishonest act from being committed by easily seeing through a falsification. SOLUTION: In the pressure-sensitive copying sheet 4 for anti-falsification, one of the ends of which is stitched together 3, a developer layer 5 is formed on the back side of an entry column of a transfer sheet 1 and further, a back carbon ink layer 6 is formed on the developer layer 5. In addition, on the surface side of an undersheet 2, a microcapsule layer 7 containing a color coupler is formed at least in a specified region opposite to the carbon ink layer 6.